Best Concrete Contractors in Ajax, ON

15 companies listed · 4 in Ajax · 1 open 24/7 · 11 open weekends · 13 rated 4.5+

Data verified October 18, 2026

Azad Landscaping & Interlocking

Azad Landscaping & Interlocking

4.5 27 reviews
“I had seen Azad interlocking work in my neighbour's backyard and I was very impressed with their work.”
Free consultationInsured10-yr warranty20+ yearsServes Ajax, Pickering +3Family-owned
57 Notion Rd
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Lakes Landscapes

Lakes Landscapes

5.0 1 review
“He is very knowledgeable in the various aspects of landscaping required to add the nice ambience that most of us want in our yards or patios.”
Since 2021Serves Ajax, Durham +5Free consultation
Harwood Ave S
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My Basement Leaks

My Basement Leaks

4.7 2 reviews
“Quick response, good price, great warranty.”
Free estimates24/7 emergency service
15 Westney Rd N
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R&O Concrete and More

R&O Concrete and More

5.0 1 review
“Everton was very responsive and professional.”
195 Lake Driveway W
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Samterra Concrete

Samterra Concrete

4.8 36 reviews
“With Samterra it isn't “their way or the highway”, they are willing to help you achieve your needs so be clear with your needs and expectations up front and you won't be disappointed.”
Free consultationSince 2019
Oshawa, ON · 16 km from Ajax
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Rock Stone Masonry

Rock Stone Masonry

4.9 44 reviews
“Wayne and his team did some parging and re grouting on the outside of our house.”
Free consultation200+ homes served
Whitby, ON · 8 km from Ajax
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Listed for homeowners in and around Ajax, ON, these 15 companies do concrete work. What each says about mixes, finishes and scheduling around the cold season comes from its own website; the ratings and comments on this page are from public reviews.

Area overview: Ajax, ON

4 of the 15 companies we list are based in Ajax; the other 11 serve Ajax from towns including Oshawa (16 km), Pickering (5 km) and Whitby (8 km). The companies on this page are rated from 4.3 to 5.0 across 275 reviews; 13 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (95%), quality (90%) and responsiveness (83%). The topics that come up most in reviews of the companies on this page are "estimates" and "price". 1 is open around the clock; 11 are open on Saturdays and 3 on Sundays. 2 show a licence on their websites. 2 have ten or more years of experience, the longest 30 years. 2 offer emergency call-outs; 9 give free estimates and 2 are family- or locally-owned. We have a website on file for 14 of the companies on this page; 12 publish a contact page and 10 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.

Which companies here quote at no charge?

Free quotes appear in 9 of the 15 listings on this page. A concrete job cannot be priced down the phone. Someone needs to look at the grade, the truck access, the state of the base and whether there is old concrete to break out and haul away first.

Northland Paving Toronto

Northland Paving Toronto

4.3 22 reviews
“Very happy with the end result from the office staff to the crew who did the physical work.”
InsuredSince 1985Serves Toronto, Greater Toronto AreaLicensed
Toronto, ON · 30 km from Ajax
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Axhorn Contracting Inc.

Axhorn Contracting Inc.

5.0 22 reviews
“As they were quite busy this summer, he gave us a start date and it was kept.”
Serves Oshawa, Durham RegionSince 2023
Oshawa, ON · 16 km from Ajax
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Ingenious Contracting

Ingenious Contracting

5.0 8 reviews
“I would recommend Ingenious Contracting to anyone looking to have work done on their home by an honest company with amazing workmanship.”
Free consultationLicensedOpen 24 hoursSince 2023Virtual consultations
Pickering, ON · 5 km from Ajax
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Scapeworks Outdoors

Scapeworks Outdoors

5.0 14 reviews
“Their professional, experience and dedicate work ethics in addition to their wonderfully friendly personalities made our time together unforgettable.”
Free estimates2-yr warrantyServes Durham Region, GTA
Pickering, ON · 5 km from Ajax
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Ontario Concrete Finishing Inc.

Ontario Concrete Finishing Inc.

5.0 13 reviews
“We've received many compliments from friends, family, & neighbours and we're beyond excited to enjoy our new patio for many summers to come.”
Free estimatesSince 1990Serves Durham Region, Pickering +4
Whitby, ON · 8 km from Ajax
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Tri-Force Utilities

Tri-Force Utilities

4.3 9 reviews
“I 100% recommend this company, and have actually referred them out to very happy contractors.”
Serves York, Durham Region +2Family-owned
Keswick, ON · 55 km from Ajax
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Sierra Stone GTA Rubber Stone

Sierra Stone GTA Rubber Stone

4.9 17 reviews
“They did a fabulous job and we are very happy with our"New" front porch.”
Free consultationSince 2023
16 km from Ajax
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Les Brown Excavating Ltd.

Les Brown Excavating Ltd.

5.0 5 reviews
“He visited us when he said he would, explained the work to be done, gave us a quote and advised us when he would do the work.”
Oshawa, ON · 16 km from Ajax
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Venetian Construction

Venetian Construction

5.0 8 reviews
“He listened closely to what we were hoping to accomplish, provided suggestions based on his many years of experience, and worked collaboratively with us to create a functional work of art.”
Toronto, ON · 30 km from Ajax
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Why these companies made our list

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